BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 362 38%
2 Netherlands 230 24.2%
3 United States 223 23.4%
4 Sweden 85 8.9%
5 Germany 24 2.5%
6 Canada 14 1.5%
7 France 4 0.4%
8 Czech Republic 3 0.3%
9 Austria 2 0.2%
10 Russia 2 0.2%
11 Hong Kong 1 0.1%
12 Estonia 1 0.1%
13 Tajikistan 1 0.1%